線粒體腦肌病伴高乳酸血癥和卒中樣發(fā)作綜合征的影像學(xué)特征及動(dòng)態(tài)演變
[Abstract]:Objective to investigate the imaging features and dynamic evolution of mitochondrial encephalomyopathy with hyperlactoemia and apoplexy (MELAS) syndrome. Methods from January 2011 to February 2016, 21 cases of MELAS syndrome confirmed by muscle pathology in our hospital were collected, and the CT findings of their heads were analyzed retrospectively. Results CT was performed in 19 patients, of which 8 showed bilateral symmetrical calcification of basal ganglia. In the acute phase of apoplexy, the main Mr manifestations of head were T_1WI low signal T _ 2WI and FLAIR hyperintense or iso-signal. There was no obvious enhancement or linear enhancement on enhanced MRI and no obvious abnormality in Mrs. The peak (NAA) of N acetyl aspartate was decreased, and the peak (Lac) of lactic acid was significantly increased in 19 cases (90.5%). The lesions involved 2 or more than 2 cerebral lobes, the most common involvement was occipital lobe. Temporal lobe and parietal lobe. The lesion presented stratified necrosis, and the distribution was not in accordance with the innermost region of cerebral vessels. The dynamic observation showed "reversibility", "mobility" and "progression". Conclusion the clinical manifestations of MELAS syndrome are complicated, neuroimaging is characteristic and has important diagnostic value. To fully understand these characteristics is helpful to early diagnosis and treatment and reduce misdiagnosis.
【作者單位】: 鄭州大學(xué)第五附屬醫(yī)院神經(jīng)內(nèi)科、肌肉病理實(shí)驗(yàn)室;鄭州大學(xué)第五附屬醫(yī)院護(hù)理部;
【基金】:河南省科技廳科技攻關(guān)項(xiàng)目(No.132102310092)
【分類號(hào)】:R746
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